Software Engineer - FBOSS (Facebook Open Switching System)

FBOSS stands for Facebook Open Switching System. It is the software stack powering the network switches in Meta’s data centers across the world. We work on some of the most critical infrastructure challenges at Meta. Our current focus is building networking switch platforms for our AI clusters that power large language models (LLM) for Generative AI, Recommendation engine, and Metaverse.

As part of the FBOSS Agent Team, you will have the opportunity to work on cutting-edge switching technology, collaborate with talented engineers, and contribute to the development of Meta's hyper scale network infrastructure.

Our primary focus is on introducing new switching ASICs and roles to meet the scaling and performance needs of Meta's rapidly growing data centers. We design, implement, and deploy data and control plane features that support various applications on our hardware platforms. We work closely with cross functional teams to ensure seamless integration and optimal performance of our network infrastructure.Software Engineer - FBOSS (Facebook Open Switching System) Responsibilities

• Design, develop and deploy services to manage various forwarding functions of datacenter network switches (switching, routing, QoS, config-mgmt, telemetry and monitoring)
• Develop infrastructure to maintain switch state and enable communication between services at scale
• Debug network issues at scale, profile performance problems and drive e2e optimizations that span the entire software stack
• Develop and support test suites for continuous integration
• Engage with partner teams to align on goals, strategies, and roadmaps
• Participate in oncall rotations for operational support
• Bachelor's degree in Computer Science, Computer Engineering, relevant technical field, or equivalent practical experience
• 5+ years of experience in large-scale C++/C and Python code base
• 3+ years of experience with network devices (routers, switches)
• Must obtain work authorization in country of employment at the time of hire, and maintain ongoing work authorization during employment
• Demonstrate experience to work collaboratively with large cross-functional teams and communicate effectively with a wide-variety of stakeholders
• Experience working networking ASICs and SDKs
• Experience with build systems, CI frameworks, and open-source software
• Experience with switching, routing, QoS, ACLs, Telemetry and monitoring

Minimum QualificationsPreferred Qualifications For those who live in or expect to work from California if hired for this position, please click here for additional information. About Meta Meta builds technologies that help people connect, find communities, and grow businesses. When Facebook launched in 2004, it changed the way people connect. Apps like Messenger, Instagram and WhatsApp further empowered billions around the world. Now, Meta is moving beyond 2D screens toward immersive experiences like augmented and virtual reality to help build the next evolution in social technology. People who choose to build their careers by building with us at Meta help shape a future that will take us beyond what digital connection makes possible today—beyond the constraints of screens, the limits of distance, and even the rules of physics.
$70.67/hour to $208,000/year + bonus + equity + benefits

Individual compensation is determined by skills, qualifications, experience, and location. Compensation details listed in this posting reflect the base hourly rate, monthly rate, or annual salary only, and do not include bonus, equity or sales incentives, if applicable. In addition to base compensation, Meta offers benefits. Learn more about benefits at Meta.



Equal Employment Opportunity Meta is proud to be an Equal Employment Opportunity employer. We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth, reproductive health decisions, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, genetic information, political views or activity, or other applicable legally protected characteristics. You may view our Equal Employment Opportunity notice here. Meta is committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If you need assistance or an accommodation due to a disability, fill out the Accommodations request form.